USB-C input requires 12V. Car power socket output is 12V 5A max. This cable allows car electronic devices to be used at home. USB-C adapter output is 18W, and the cable output is 18W. If your USB-C adapter outputs only 5V, the cable output will be 5V. USB-C Port Power Converter converts power from a USB-C port to a 12V car cigarette lighter socket. Enables easy powering of car electronic equipment using an external power source, such as a USB-C power bank. Ideal for enabling the Parking Monitoring feature of your car dash cam without draining your car battery. Compatible with Type-C PD power banks or wall PD chargers. This Type-C converter cable has a wide range of applications in cars, RVs, and bikes. Converts power from a Type-C port to a 12V car power socket. Compatible with various 12V devices such as dash cams, car fans, GPS devices, tire inflators, LED lights, solar panels, and other 12V electronics. Specifications: Material: ABS; Color: Black; Length: 24cm; USB-C input: 12V 1-5A; Car socket output: DC 12V 5A max; Quantity: 1 PC (other accessories shown in the image are not included). Note: 1. Conversion: 1cm = 10mm = 0.39 inch. 2. Please allow 0-1cm error due to manual measurement. Ensure you are comfortable with this before purchasing. 3. Due to differences in monitor displays, the actual color may vary slightly from the image. Thank you. Package includes: 1 x Type-C PD Male to 12V Car Socket Female Converter Adapter Cable